fix: updated apollo server 4 typescript d files to match javascript (#209)

Author: koivumi79

apollo4.d.ts

@@ -1,4 +1,4 @@
-import {DocumentNode, GraphQLSchema} from "graphql";
+import {DocumentNode} from "graphql";
 import {ApolloServerPlugin} from '@apollo/server';
 
 /**
@@ -14,6 +14,6 @@ export const constraintDirectiveTypeDefsGql: DocumentNode;
 /**
  * Create Apollo 4 validation plugin.
  * 
- * @param options to setup plugin. `schema` is deprecated now, not used, as plugins gets schema from the Apollo Server.
+ * @param options to setup plugin.
  */
-export function createApollo4QueryValidationPlugin ( options: { schema?: GraphQLSchema } ) : ApolloServerPlugin;
+export function createApollo4QueryValidationPlugin ( options?: {} ) : ApolloServerPlugin;

index.d.ts

@@ -64,7 +64,7 @@ export const constraintDirectiveTypeDefs: string
  * @param variables used in the query to validate
  * @param operationName optional name of the GraphQL operation to validate
  */
-export function validateQuery () : (schema: GraphQLSchema, query: DocumentNode, variables: Record<string, any>, operationName?: string) => Array<GraphQLError>;
+export function validateQuery () : (schema: GraphQLSchema, query: DocumentNode, variables: Record<string, any>, operationName?: string, pluginOptions?: {}) => Array<GraphQLError>;
 
 /**
  * Create Apollo 3 plugin performing query validation.